Mayor Alvin Brown has announced three appointments that will increase Jacksonville's ability to attract major sporting events and host activities that will boost the economy and make the city a more vibrant destination. Among them --- NBA Hall of Famer Artis Gilmore will serve as Brown's ambassador for sports, entertainment and physical fitness. In the role, Gilmore will help to cultivate relationships to attract major sporting events, trade shows and special events while serving as an advocate for people of all ages to adapt to healthier lifestyles.